Recent content by GCH

Thank you for clearing this up for me. Somehow I did not think last night of asking myself the question: what number multiplied an uneven number of times yields -1 as a result.

I've been doing this online math bridging course from a German uni to which I am planning to go soon, it is going through all high school maths from the beginning(it has been a while since I did it). The chapter on roots so far ignores complex numbers, which will be introduced in a later...